18750303

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 33729696

約数和(自身を除く): 14979393

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 857, 1287, 1683, 1989, 2431, 2571, 7293, 7713, 9427, 11141, 14569, 21879, 28281, 33423, 43707, 84843, 100269, 122551, 131121, 160259, 189397, 367653, 480777, 568191, 1102959, 1442331, 1704573, 2083367, 6250101, 18750303]

約数ペア:

[(1, 18750303), (3, 6250101), (9, 2083367), (11, 1704573), (13, 1442331), (17, 1102959), (33, 568191), (39, 480777), (51, 367653), (99, 189397), (117, 160259), (143, 131121), (153, 122551), (187, 100269), (221, 84843), (429, 43707), (561, 33423), (663, 28281), (857, 21879), (1287, 14569), (1683, 11141), (1989, 9427), (2431, 7713), (2571, 7293)]